Sebaceous

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Sebaceous

Sebaceous (pronunciation: /sɪˈbeɪʃəs/) is a term used in anatomy and physiology to describe a type of gland in the skin that secretes an oily substance known as sebum. The term is derived from the Latin word 'sebaceus', which means 'made of tallow' or 'greasy'.

Etymology

The term 'sebaceous' is derived from the Latin word 'sebaceus', which means 'made of tallow' or 'greasy'. This is in reference to the oily substance, sebum, that these glands produce. The term was first used in English in the early 18th century.

Function

Sebaceous glands are found throughout the skin, except on the palms of the hands and soles of the feet. They are most abundant on the face and scalp. These glands secrete sebum, an oily substance that helps to lubricate and waterproof the skin and hair. Sebum also has antibacterial properties, which can help to protect the skin from infection.

Related Terms

  • Sebum: The oily substance secreted by sebaceous glands.
  • Sebaceous gland: A small gland in the skin which secretes a lubricating oily matter (sebum) into the hair follicles to lubricate the skin and hair.
  • Sebaceous cyst: A small, noncancerous bump under the skin, often on the face, neck, trunk or scrotum, that forms due to the blockage of a sebaceous gland.
  • Sebaceous adenoma: A slow-growing, benign tumor of a sebaceous gland.
  • Sebaceous carcinoma: A rare form of skin cancer that originates in the sebaceous glands.
  • Seborrhea: A skin condition characterized by excessive secretion of sebum, resulting in an oily coating, scales, and crusts on the skin.

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